US 395 over Big Boulder Creek
GoodFerry County, Washington · 15.7 N JCT SR 20 · Structure no. 0012729A0000000
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 161 ft
- 2 main spans
- Daily traffic
- 645
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 395 over Big Boulder Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 395 over Big Boulder Creek in Ferry County, Washington. It was built in 1984, so it is 41 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 645 vehicles a day, roughly 16% of them trucks, projected to reach 982 by 2039. The structure is 161 ft (49 m) long and 37 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 395 over Big Boulder Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is US 395 over Big Boulder Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does US 395 over Big Boulder Creek carry?
About 645 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is US 395 over Big Boulder Creek?
The structure is 161 ft (49 m) long with a longest span of 108 ft (32.9 m) and a deck 37 ft wide.
Who owns US 395 over Big Boulder Creek?
It is owned by the State Highway Agency.